Jelly Bean ROMs. Απαιτεί rooted συσκευή, με Semaphore kernel installed.
Semaphore Manager helps you to easily full control all Semaphore kernel features. It's only compatible with Semaphore JB, N4 kernels and works on LG Nexus 4, Samsung Galaxy S-I9000, SGH-I897, SGH-T959 on Jelly Bean ROMs. It requires a rooted device and busybox, with Semaphore kernel installed.